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447731 (2007 EF217)
Classification: Main-belt Asteroid          SPK-ID: 2447731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08203731613028957 6.8085e-08  
a 3.151454678102409 5.4324e-08 au
q 2.892917794404641 2.1881e-07 au
i 7.369844330059659 7.7469e-06 deg
node 180.9826563904194 5.566e-05 deg
peri 291.1931752114144 7.6087e-05 deg
M 187.3939264430992 5.7117e-05 deg
tp 2459980.257503331315
(2023-Feb-04.75750333)
0.00033671 TDB
period 2043.454751799329
5.59
5.2837e-05
1.447e-07
d
yr
n .1761722395286748 4.5552e-09 deg/d
Q 3.409991561800176 5.8781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2004-09-12  
   last obs. used      2020-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:47:55  

Additional Information
 Earth MOID = 1.91982 au 
 Jupiter MOID = 1.69867 au 
 T_jup = 3.190 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO437740  

447731 (2007 EF217)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Dec-09 09:56 00:08 Jupiter 1.95625268156546 1.95624868427331 1.95625667890052 4.17063739384928 4.06549528921631 2416823.914152413 8.4174628538101 510.866406365499 30.3637747196447 69.4538281780664 2229979.74580028 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
1915-May-16 02:28 00:08 Jupiter 1.73871459459595 1.73871322499381 1.73871596423921 3.03530324095398 2.87032348459511 2420633.602592503 7.93608838300101 531.302300674003 29.491995656366 88.8236461112358 1487635.06347409 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
1925-Sep-24 16:56 00:07 Jupiter 1.81631114628925 1.81630935284566 1.81631293973542 2.29629137113234 2.08333139063354 2424418.205804626 7.39032448630715 163.536860685711 30.5799545560345 -60.9585217758686 1559525.02698411 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
1999-May-03 21:01 00:02 Jupiter 1.83385385478157 1.83385273500834 1.83385497455606 3.69281797209653 3.56554936687975 2451302.375803429 1.5000788136795 121.440070240609 32.2712169715909 72.8323057746051 1835167.60697425 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2009-Sep-30 21:56 < 00:01 Jupiter 1.72127854406445 1.72127772296823 1.72127936516038 2.64850009612557 2.45568207139433 2455105.413708811 0.760450325766022 88.7456324199406 29.3725145496328 87.4189457951814 1321031.52232046 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2020-Feb-07 14:32 < 00:01 Jupiter 1.89476583362157 1.89476509189359 1.89476657534955 2.46221586144651 2.27342061798604 2458887.105541204 0.402746496829286 74.9215413686473 11.2827302629861 -72.5045800467939 1929980.314633 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2093-Sep-23 22:44 00:06 Jupiter 1.74505056027207 1.74504948373471 1.74505163682718 3.27167219618483 3.11978647373836 2485779.447436687 5.66874443345075 394.408674260285 29.0354823689299 86.7506794704402 1666061.83909961 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2104-Feb-13 23:40 00:07 Jupiter 1.76424640607291 1.76424458130759 1.76424823084695 2.42467635824023 2.21784728542823 2489573.485786044 6.79687023184786 250.740841403443 42.0391646559535 -65.2686299411298 1433834.85080159 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2177-Sep-12 02:05 00:12 Jupiter 1.89222637033646 1.89222170689564 1.89223103387044 3.83031603375993 3.71161088951827 2516447.586759907 11.8706050096511 719.146070585399 28.9228181072315 73.2115135852104 2051953.01462099 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2188-Feb-13 17:06 00:13 Jupiter 1.69567064593423 1.69566987710817 1.69567141476069 2.90071627609371 2.72307061964495 2520254.212333924 12.9410716233159 850.281178389516 30.5734849294007 -86.0143333589684 1447627.26322063 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
2198-Jun-29 00:56 00:14 Jupiter 1.83625528106599 1.83625055387284 1.8362600082605 2.39926244683735 2.198614582747 2524042.539008737 14.3529582302417 254.920420565774 56.1197428274557 -39.8185501179733 1167750.16640859 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 07:47:55 2020-Nov-12 07:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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